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770985 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

770985: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, end_cut_angle: 45.0 DEGREES, overall_length: 18.375 INCHES NOMINAL IN, special_features: 0.375 IN. DIA.

HOLES,3 HOLES; 0.500 IN. DIA.-ONE CENTRALLY LOCATED HOLE IN, style_designator: STRIP, cross-sectional_thickness: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-072-1394, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
770985
NSN: 5330-00-072-1394
FSC: 5330 — Packing and Gasket Materials
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialRUBBER OVERALL
end_cut_angle45.0 DEGREES
overall_length18.375 INCHES NOMINAL IN
special_features0.375 IN. DIA. HOLES,3 HOLES; 0.500 IN. DIA.-ONE CENTRALLY LOCATED HOLE IN
style_designatorSTRIP
cross-sectional_thickness0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-R-6855,GRADE II-60 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-072-1394
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 770985 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: STRIP
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6855,GRADE II-60 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
END CUT ANGLE: 45.0 DEGREES
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
STYLE DESIGNATORSTRIP
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855,GRADE II-60 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH18.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
END CUT ANGLE45.0 DEGREES
SPECIAL FEATURES0.375 IN. DIA. HOLES,3 HOLES; 0.500 IN. DIA.-ONE CENTRALLY LOCATED HOLE IN
MATERIALRUBBER OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
1988140Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 770985?
770985 is a GASKET.
What parts can replace 770985?
There is 1 known substitute for 770985: 1988140. Substitute compatibility should be verified for your specific system.
What is the NSN for 770985?
770985 is cataloged in the U.S. Government catalog under NSN 5330-00-072-1394. This indicates validated use in U.S. government and defense supply chains.
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